OSNR Monitoring based on the Correction to the error of OSNR for Coherent Optical Systems

被引：0
|
作者：
Xu Jingyue [1 ]
Yang Aiying [1 ]
Feng Lihui [1 ]
机构：
[1] Beijing Inst Technol, Sch Optoelect, Beijing 100081, Peoples R China
来源：
2015 INTERNATIONAL CONFERENCE ON OPTICAL INSTRUMENTS AND TECHNOLOGY: OPTOELECTRONIC DEVICES AND OPTICAL SIGNAL PROCESSING | 2015年 / 9619卷
关键词：
OSNR monitoring; QPSK; coherent system;
D O I：
10.1117/12.2193531
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We propose a novel method for optical signal-to-noise ratio (OSNR) monitoring by the correction to the error of OSNR in high speed coherent optical communication systems. We calculate the total power and the total noise power by the real and imaginary part of the coherent detection signal. Then, the error of OSNR is corrected by a polynomial function. The simulation results demonstrate that, with the input power of 0.0dBm and 2.0dBm of 15-35GB QPSK optical fiber communication systems, the error of estimated OSNR is in the range of +/- 1dB with the reference OSNR of 15-25dB.
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页数：6
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